using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class SaveCompatibility
{
    static public bool Replace_RoomID_with_RefID { get; private set; } // for ciemetric version 2.5.20 and prior on cieblink
    static public bool RefID_CheckedOnce { get; private set; }
    static private string _replace_RoomID_with_RefID_version = "2.5.20";

    static public void SetVersionCompatibility_RefID(bool value)
    {
        RefID_CheckedOnce = true;
        Replace_RoomID_with_RefID = value;
    }

    static public bool SetVersionCompatibility_RefID(string savedVersion)
    {
        bool isCompatible = true;

        List<int> savedVersionNumbers = GetVersionNumbers(savedVersion);

        List<int> versionNumbers_RefID = GetVersionNumbers(_replace_RoomID_with_RefID_version);
        for (int i = 0; i < savedVersionNumbers.Count; i++)
        {
            if (i >= versionNumbers_RefID.Count)
            {
                if (i > 0 && savedVersionNumbers[i - 1] == versionNumbers_RefID[i - 1])
                {
                    isCompatible = false;
                }
                break;
            }

            if (savedVersionNumbers[i] > versionNumbers_RefID[i])
            {
                break;
            }

            if (savedVersionNumbers[i] < versionNumbers_RefID[i])
            {
                isCompatible = false;
                break;
            }

            if (i == savedVersionNumbers.Count - 1 && savedVersionNumbers[i] == versionNumbers_RefID[i])
            {
                isCompatible = false;
            }
        }
        SetVersionCompatibility_RefID(!isCompatible);

        return isCompatible;
    }

    static private List<int> GetVersionNumbers(string version)
    {
        List<int> outList = new();

        string[] stringVersionNumbers = version.Split('.');
        foreach (string versionNumber in stringVersionNumbers)
        {
            if (int.TryParse(versionNumber, out int number))
            {
                outList.Add(number);
            }
        }

        return outList;
    }
}